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  1. Revolutionary War Painting showing the surrender of British General John Burgoyne
  2. Zulu Warriors
  3. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  4. Solar System - Old
  5. Composite of 90 different species of parrots
  6. Proud to be an American II
  7. Sioux Encampment, 1832
  8. Total Eclipses of Sun and Moon's Shadow
  9. Abstract image of stock market line chart with text
  10. Great Army of Napoleon I Arrives at Moscow
  11. Rainbow Ridge Picture Agate
  12. War of 1812 print at the Battle of New Orleans
  13. Tlazolteotl and Chalchiuhtlicue, Aztec Goddesses of Love and Water. 15th c. Codex Cospi
  14. Civil War, Gettysburg, 1863
  15. The Fox and the Grapes, Selected Fontaine's Fables
  16. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  17. Moss Agate
  18. Molecule THC
  19. States of the German Confederation
  20. Spilled Paint - USGS Earth as Art
  21. Denver, Colorado, 1859
  22. School supplies
  23. Poe
  24. Normal shoulder, X-ray
  25. Christmas Jasper
  26. The nerve supply of the trunk
  27. The Summer Road
  28. The Tea Party II
  29. Rice Terraces, Longsheng Ping'an, Guangxi
  30. Sagenite On Mexican Agate
  31. Colorized scanning electron micrograph of filamentous Ebola virus particles
  32. Behemoth and Leviathan
  33. Cross section image of human head
  34. Normal hip, X-ray
  35. Scanning electron micrograph of HIV particles infecting a human T cell
  36. Venus
  37. Lady Bell Plant Pollen
  38. Girl looking over stack of books
  39. Lake Disappointment - USGS Earth as Art
  40. Close Ups Of Fortification On Crazy Lace Agate
  41. Oil rig in the savannah of Wyoming
  42. Rice Terraces, Longsheng Ping'an, Guangxi
  43. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  44. Yukon Delta - USGS Earth as Art
  45. Yellowstone
  46. Color Field
  47. Brachiosaurus
  48. Lady Bell Plant Pollen